allowed
attention
background
car
careful
caution
city
city life
cross
crossroad
driving
freeway
go
green
illuminated
lamp
light
morning
order
pedestrian
people
priority
regulation
road
roadsign
rule
safe
safety
sign
signal
sky
stop
stoplight
street
sun
sunlight
sunrise
sunset
symbol
town
traffic
trafficlight
transport
transportation
travel
trip
urban
vehicle
walk
way